Create a category with no return value

create-category-no-returns.go

//CreateCategory : create a new Category in DB
func (c *Category) CreateCategory() error {

  // prepare the query
	stmt, err := client.DbClient.Prepare("INSERT INTO category (category_name) values ($1);")
	if err != nil {
		return err
	}
	//closing the statement to prevent memory leaks
	defer stmt.Close()
  //execute the query
	_, err = stmt.Exec(c.ID)
	if err != nil {
		return err
	}
	return nil
}